[v3,17/23] drm: rockchip: remove struct rockchip_crtc_funcs

From: Shawn Guo <shawn.guo@linaro.org>

With the vblank hooks in struct drm_crtc_funcs, we do not need to
maintain struct rockchip_crtc_funcs and the related registration
functions.  Remove them.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Mark Yao <mark.yao@rock-chips.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 51 -----------------------------
 drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 14 --------
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c |  9 ++---
 3 files changed, 2 insertions(+), 72 deletions(-)

On Tue, Feb 07, 2017 at 05:16:29PM +0800, Shawn Guo wrote:
> From: Shawn Guo <shawn.guo@linaro.org>
> 
> With the vblank hooks in struct drm_crtc_funcs, we do not need to
> maintain struct rockchip_crtc_funcs and the related registration
> functions.  Remove them.
> 

Reviewed-by: Sean Paul <seanpaul@chromium.org>

> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
> Cc: Mark Yao <mark.yao@rock-chips.com>
> ---
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 51 -----------------------------
>  drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 14 --------
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.c |  9 ++---
>  3 files changed, 2 insertions(+), 72 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index 39243480c834..7719b9cd5b74 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -74,55 +74,6 @@ void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
>  	arm_iommu_detach_device(dev);
>  }
>  
> -int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
> -				 const struct rockchip_crtc_funcs *crtc_funcs)
> -{
> -	int pipe = drm_crtc_index(crtc);
> -	struct rockchip_drm_private *priv = crtc->dev->dev_private;
> -
> -	if (pipe >= ROCKCHIP_MAX_CRTC)
> -		return -EINVAL;
> -
> -	priv->crtc_funcs[pipe] = crtc_funcs;
> -
> -	return 0;
> -}
> -
> -void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc)
> -{
> -	int pipe = drm_crtc_index(crtc);
> -	struct rockchip_drm_private *priv = crtc->dev->dev_private;
> -
> -	if (pipe >= ROCKCHIP_MAX_CRTC)
> -		return;
> -
> -	priv->crtc_funcs[pipe] = NULL;
> -}
> -
> -static int rockchip_drm_crtc_enable_vblank(struct drm_device *dev,
> -					   unsigned int pipe)
> -{
> -	struct rockchip_drm_private *priv = dev->dev_private;
> -	struct drm_crtc *crtc = drm_crtc_from_index(dev, pipe);
> -
> -	if (crtc && priv->crtc_funcs[pipe] &&
> -	    priv->crtc_funcs[pipe]->enable_vblank)
> -		return priv->crtc_funcs[pipe]->enable_vblank(crtc);
> -
> -	return 0;
> -}
> -
> -static void rockchip_drm_crtc_disable_vblank(struct drm_device *dev,
> -					     unsigned int pipe)
> -{
> -	struct rockchip_drm_private *priv = dev->dev_private;
> -	struct drm_crtc *crtc = drm_crtc_from_index(dev, pipe);
> -
> -	if (crtc && priv->crtc_funcs[pipe] &&
> -	    priv->crtc_funcs[pipe]->enable_vblank)
> -		priv->crtc_funcs[pipe]->disable_vblank(crtc);
> -}
> -
>  static int rockchip_drm_bind(struct device *dev)
>  {
>  	struct drm_device *drm_dev;
> @@ -270,8 +221,6 @@ static void rockchip_drm_lastclose(struct drm_device *dev)
>  	.driver_features	= DRIVER_MODESET | DRIVER_GEM |
>  				  DRIVER_PRIME | DRIVER_ATOMIC,
>  	.lastclose		= rockchip_drm_lastclose,
> -	.enable_vblank		= rockchip_drm_crtc_enable_vblank,
> -	.disable_vblank		= rockchip_drm_crtc_disable_vblank,
>  	.gem_vm_ops		= &drm_gem_cma_vm_ops,
>  	.gem_free_object_unlocked = rockchip_gem_free_object,
>  	.dumb_create		= rockchip_gem_dumb_create,
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
> index fb6226cf84b7..9f9bc959b108 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
> @@ -31,16 +31,6 @@
>  struct drm_device;
>  struct drm_connector;
>  
> -/*
> - * Rockchip drm private crtc funcs.
> - * @enable_vblank: enable crtc vblank irq.
> - * @disable_vblank: disable crtc vblank irq.
> - */
> -struct rockchip_crtc_funcs {
> -	int (*enable_vblank)(struct drm_crtc *crtc);
> -	void (*disable_vblank)(struct drm_crtc *crtc);
> -};
> -
>  struct rockchip_crtc_state {
>  	struct drm_crtc_state base;
>  	int output_type;
> @@ -58,16 +48,12 @@ struct rockchip_crtc_state {
>  struct rockchip_drm_private {
>  	struct drm_fb_helper fbdev_helper;
>  	struct drm_gem_object *fbdev_bo;
> -	const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC];
>  	struct drm_atomic_state *state;
>  
>  	struct list_head psr_list;
>  	spinlock_t psr_list_lock;
>  };
>  
> -int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
> -				 const struct rockchip_crtc_funcs *crtc_funcs);
> -void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
>  int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
>  				   struct device *dev);
>  void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index fb5f001f51c3..ffee8d8c3794 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -853,11 +853,6 @@ static void vop_crtc_disable_vblank(struct drm_crtc *crtc)
>  	spin_unlock_irqrestore(&vop->irq_lock, flags);
>  }
>  
> -static const struct rockchip_crtc_funcs private_crtc_funcs = {
> -	.enable_vblank = vop_crtc_enable_vblank,
> -	.disable_vblank = vop_crtc_disable_vblank,
> -};
> -
>  static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
>  				const struct drm_display_mode *mode,
>  				struct drm_display_mode *adjusted_mode)
> @@ -1112,6 +1107,8 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc,
>  	.reset = vop_crtc_reset,
>  	.atomic_duplicate_state = vop_crtc_duplicate_state,
>  	.atomic_destroy_state = vop_crtc_destroy_state,
> +	.enable_vblank = vop_crtc_enable_vblank,
> +	.disable_vblank = vop_crtc_disable_vblank,
>  };
>  
>  static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)
> @@ -1283,7 +1280,6 @@ static int vop_create_crtc(struct vop *vop)
>  	init_completion(&vop->dsp_hold_completion);
>  	init_completion(&vop->line_flag_completion);
>  	crtc->port = port;
> -	rockchip_register_crtc_funcs(crtc, &private_crtc_funcs);
>  
>  	return 0;
>  
> @@ -1302,7 +1298,6 @@ static void vop_destroy_crtc(struct vop *vop)
>  	struct drm_device *drm_dev = vop->drm_dev;
>  	struct drm_plane *plane, *tmp;
>  
> -	rockchip_unregister_crtc_funcs(crtc);
>  	of_node_put(crtc->port);
>  
>  	/*
> -- 
> 1.9.1
> 
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